Home / 35,927.42-49,579.82-20,828.86

Finding the Fourth Proportional to 35,927.42, 49,579.82 and 20,828.86

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Solution

The fourth proportional to 35,927.42, 49,579.82 and 20,828.86 is: 28,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,927.42 : 49,579.82 = 20,828.86 : x
  2. Step 2: Convert to fraction form
    35,927.42/49,579.82 = 20,828.86/x
  3. Step 3: Cross multiply
    35,927.42x = 49,579.82 × 20,828.86
  4. Step 4: Simplify right side
    35,927.42x = 1,032,690,901.51
  5. Step 5: Solve for x
    x = 1,032,690,901.51/35,927.42
  6. Step 6: Final answer
    x = 28,743.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.